She has a reputation that 'commands' attention/respect. [=people give her respect/attention because of her reputation]
In the United States, the President as the commander in chief is at the head of the military 'chain of command'.
She seems to be 'in (full) command of' the situation. [=she seems to have complete control of the situation]
(..) - Let go of my leg. Come on. You can do it. - Higher! - Higher! - Just release your grip. Wow! How do you remove them? Is there a command? Some nonstick spray? Crowbar? Okay, girls, let's go. Oh, yeah! Pretty impressive! (..)2010 Despicable Me